"This pipeline is a threat to all New Yorkers, not just those living directly in the pipeline path," states a release by the organization. "We all know accidents happen and if something goes wrong on the AIM pipeline, the results could be catastrophic for 20 million New Yorkers."

Sierra Club members plan to call on Schumer to help stop the pipeline project.

Schumer and Sen. Kirsten Gillibrand penned a joint letter to the Federal Energy Regulatory Commission in August asking it to "reconsider the approval and construction of this project."